I had planned a 2000 km Camino in 2009, and in anticipation of the distance I opted for the Merrell Targhees. I was warned by the salesman, that because they were lighter I might feel stones and such like. He was right! What's more the tread wore out much more quickly, and even worse, the memory in the sole went so that by days end my feet were unbelievably tired. I bought some very expensive inserts to give me enough bounce to get me to a sports store to get new shoes. I really only got about 1,000 kms from them. By comparison, the Scarpas I am wearing on this Camino, had already done in excess of 1,000 kms and there will still be tread and comfort when I finish this camino. My experience tells me that scarpas are much longer wearing, partly because they have a tougher tread, and the way I wear shoes I could anticpate somewhere between 2 - 2,500 kms from them. They are not for everyone, but they suit my foot, which is the important thing! Janet